饼状统计图

效果预览：

code：

  //绘制扇形统计图 

  import fj.graphics.*; 

  import fj.seach.JToolTip; 

  import fj.math.JDegree; 

  test = JGDI.getInstance(); 

  test.target = _root; 

  var a = [30, 30, 15, 10, 15]; 

  var b = ["第一季度", "第二季度", "第三季度", "第四季度", 
  "第五季度"]; 

  drawing(a); 

  delete a; 

  function trans(a:Array) { 

  //把数据进行转换 

  var l = a.length; 

  var t = 0; 

  for (var i = 0; i<l; i++) { 

  t += a[i]; 

  } 

  for (var i = 0; i<l; i++) { 

  a[i] = a[i]*360/t; 

  } 

  } 

  function drawing(a) { 

  //绘图函数 

  trans(a); 

  var c = []; 

  var l = a.length; 

  var t1 = 0; 

  var t2 = 0; 

  for (var i = 0; i<l; i++) { 

  t2 += a[i]; 

  t1 = t2-a[i]; 

  c[i] = (t1+t2)/2; 

  var temp = this.createEmptyMovieClip("draw"+i, i); 

  test.target = temp; 

  test.fillSector(new JSolidBrush(random(0xff9900), 20), 200, 150, 150, 150, t1, 
  t2); 

  test.drawSector(new JPen(2, 0xff0000, 60), 200, 150, 150, 150, t1, t2); 

  new JToolTip().setToolTip(temp, b[i]+":"+Math.round(a[i]*100/360)+"%"); 
  

  temp.i = i; 

  temp.x = this._x; 

  temp.y = this._y; 

  temp.onEnterFrame = function() { 

  if (this.hitTest(_xmouse, _ymouse, true)) { 

  var x = JDegree.cosD(c[this.i])*20; 

  var y = JDegree.sinD(c[this.i])*20; 

  this._x = this.x+x; 

  this._y = this.y+y; 

  } else { 

  this._x = this.x; 

  this._y = this.y; 

  } 

  }; 

  } 

  }

（完）